Michelle Williams, nominated for best actress for “Blue Valentine,” wore a black blouse and tweed skirt from Chanel to the Academy Awards Nominees Luncheon in Beverly Hills in 2011. (Chris Pizzello / Associated Press)
Williams wore a short, patterned dress to the 2010 New York Film Critics Circle Awards. (Stephen Lovekin / Getty Images)
Williams stood out in this magenta dress at a private dinner held in her honor at Chateau Marmont in 2011. (John Sciulli / Getty Images)